Mental Maths warm up

Front

How many minutes are there in one hour?

Back

60 minutes.

Front

How do you calculate the total number of doughnuts needed for a group of children if each child receives half a doughnut?

Back

Multiply the number of children by 2.

Front

How do you calculate the time difference between two times?

Back

Subtract the earlier time from the later time.

Front

What is the result of decreasing a number by a certain value?

Back

Subtract the value from the original number.

Front

How do you find the remainder of a division operation?

Back

Perform the division and take the integer part of the result, then multiply it by the divisor and subtract from the original number.

Front

What is the formula to convert hours into minutes?

Back

Multiply the number of hours by 60.

Front

If you have 93 items and you want to divide them into groups of 10, how many groups can you make?

Back

You can make 9 full groups with a remainder of 3.

Front

What is the concept of remainders in division?

Back

The remainder is what is left over after division when the numbers do not divide evenly.

Front

How do you express a number in words?

Back

Convert the numerical value into its corresponding word form.

Front

What is the process of rounding numbers?

Back

Adjusting a number to the nearest specified value, often to simplify calculations.